Question

Can someone help explain #32 for me please

31. Which macromolecule is going to contain more subunits linked together (i.e, monomers together), hemoglobin RNA or hemoglobin protein? A)) Hemoglobin RNA linked Hemoglobin protein C) More information is necessary in order to make a conclusion. 32. You decide you are going to decipher codons of an unknown mRNA transcript. In a test tube, you mix the unknown mRNA template, all of the tRNAs for all 20 amino acids, and a large concentration of ribosomal subunits. You end up producing 3 distinct polypeptides of poly-valine, poly-arginine, and poly-serine. What is the sequence of the unknown mRNA? A) 5'-AGCAGCAGCAGCAGC-3 B) 3'-AGCAGCAGCAGCAGC-5 D) E) 5'-UCAUCAUCAUCAUCA-3 None of the above.

Answer 1

Option C.

The sequence in option C when read from 5' to 3', shows three different ORFs with codons:

One ORF contains repetitive CGU codons, which code for poly arginine.

Second ORF contains repetitive GUC codons, which code for poly valine peptide.

Third ORF contains poly UCG codons, which code for poly serine peptide.